The United States and Mexico have signed an agreement outlining specific steps, funds and a timetable to clean up the longstanding problem of the Tijuana River pouring sewage across the border and pol

A new agreement between the United States and Mexico will stop the flow of sewage from Tijuana into Southern California through the Tijuana River. For years, sewage crossing the border has resulted in beach closures and caused people to get sick.

The United States and Mexico signed an agreement on Thursday to end the flow of raw sewage into the Tijuana River, which crosses the border into California and for years has contaminated and closed beaches and caused illnesses in both countries.